Kalinin K-3

what is it?

The Kalinin K-3 was a Soviet air ambulance monoplane designed by Konstantin Kalinin. The K-3 was based, in part, on both the Kalinin K-1 and K-2 and was powered by a BMW IV engine. It had a metal airframe and an enclosed cabin, holding four passengers or two stretchers.

🔎How to recognise it: 1 piston engine with propeller · 16.8 m wingspan

base stats

• speed 170 km/htop speed
• range 730 kmwithout refuelling
• seats 4passengers
• size 2,300 kgmax take-off weight

Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).

fun facts

• 🎂First flew 100 years ago, in 1926.
• 🚗Wingspan of 16.8 m: about 4 cars parked nose to tail.

piston: A car-like piston engine turning a propeller: simple and cheap, the classic small plane.

spec sheet

first flight

1926

number built

—

role

air ambulance

origin

🇷🇺 Soviet Union

makers

KhAZ

engines

1× BMW IV

crew

1

passengers

4

length

11.3 m

wingspan

16.8 m

max take-off weight

2,300 kg

top speed

170 km/h

cruise speed

140 km/h

range

730 km

ceiling

3,880 m

Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.